/**
 *
 * 排除 _ 开头的参数
 * @returns {Stream}
 */
module.exports = function () {
    return {
        process: function (data) {
            data.data.forEach(function (value) {
                for (var key in value) {
                    if (/^_.+/.test(key)) {
                        delete value[key];
                    }
                }
            });
        }
    };
};
